localconfig-java-set

#!/bin/bash

# see unidesk - I180508-1341\01

# Make sure java is installed
if [ -d /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin ]; then
	echo "The java plugin exists"
else
	echo "!!!!!!!!!!!!!!!!!!! The java plugin does not exists !!!!!!!!!!!!!!!!!!!"
    /Library/Application\ Support/JAMF/bin/jamfHelper.app/Contents/MacOS/jamfHelper\
-windowType utility\
-title 'UoE Mac Supported Desktop'\
-heading 'eRecruitment & eFinancials Java Configuration'\
-icon '/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/AlertCautionIcon.icns'\
-timeout 99999\
-description "$(echo -e Could not find the Java Plug-in.\\n\\nPlease ensure Java is installed)"\
-button1 'Ok'
	exit 1;
fi

# Path to the relevant file
Java_Security="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/security/java.security "
# Just for ref there is a second version of this file - /Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home/bin/jre/lib/security/java.security

# The 2 strings we will switch
No_MD5="jdk.jar.disabledAlgorithms=MD2, RSA keySize < 1024, DSA keySize < 1024"
MD5="jdk.jar.disabledAlgorithms=MD2, MD5, RSA keySize < 1024, DSA keySize < 1024"

# Grep the relevant line to get our present state
Check_Algorithm=`grep "jdk.jar.disabledAlgorithms" "${Java_Security}"`

Security_State=""

# Flip the strings
case "$Check_Algorithm" in
	"$MD5")
		perl -pi -e "s/$MD5/$No_MD5/" "${Java_Security}"
        Security_State="The eRecruitment & eFinancials Java Configuration has been applied."
       	;;
    "$No_MD5")
		# Undo the security change
		perl -pi -e "s/$No_MD5/$MD5/" "${Java_Security}"
        Security_State="The eRecruitment & eFinancials Java Configuration has been removed."
    	;;
   	*) 
    	echo "!!!!!!!!!!!!!!!!!!! FILE:${Java_Security} in unknown state !!!!!!!!!!!!!!!!!!!"
        Security_State="The eRecruitment & eFinancials Java Configuration failed! Unknown state in java.security."
		exit 1;
    	;;
esac

# Notify the user
/Library/Application\ Support/JAMF/bin/jamfHelper.app/Contents/MacOS/jamfHelper\
-windowType utility\
-title 'UoE Mac Supported Desktop'\
-heading 'eRecruitment & eFinancials Java Configuration'\
-icon '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/deploy/JavaControlPanel.prefPane/Contents/Resources/Java7VM.icns'\
-timeout 99999\
-description "$Security_State"\
-button1 'Ok'

exit 0;